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Issue 12, 2007
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Structure elucidation of C80, C81 and C82 isoprenoid tetraacids responsible for naphthenate deposition in crude oil production

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Abstract

A series of C80 isoprenoid 20-bis-16,16′-biphytanyl tetraacids has previously been found to be responsible for calcium naphthenate scaling in crude oil processing. This paper describes the structure elucidation by high-field NMR spectroscopy of the structures of the series of homologous C80 tetraacids containing 4–8 five-membered rings. In addition, the structures of methyl-substituted C81 and C82 analogues containing 7 and 8 five-membered rings have been determined for the first time. The biosynthetic implications are discussed.

Graphical abstract: Structure elucidation of C80, C81 and C82 isoprenoid tetraacids responsible for naphthenate deposition in crude oil production

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Publication details

The article was received on 30 Jan 2007, accepted on 16 Apr 2007 and first published on 10 May 2007


Article type: Paper
DOI: 10.1039/B701462G
Citation: Org. Biomol. Chem., 2007,5, 1873-1877
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    Structure elucidation of C80, C81 and C82 isoprenoid tetraacids responsible for naphthenate deposition in crude oil production

    B. F. Lutnaes, J. Krane, B. E. Smith and S. J. Rowland, Org. Biomol. Chem., 2007, 5, 1873
    DOI: 10.1039/B701462G

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